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Finding the Fourth Proportional to 104,168.32, 143,752.52 and 56,421.52

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Solution

The fourth proportional to 104,168.32, 143,752.52 and 56,421.52 is: 77,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.32 : 143,752.52 = 56,421.52 : x
  2. Step 2: Convert to fraction form
    104,168.32/143,752.52 = 56,421.52/x
  3. Step 3: Cross multiply
    104,168.32x = 143,752.52 × 56,421.52
  4. Step 4: Simplify right side
    104,168.32x = 8,110,735,682.23
  5. Step 5: Solve for x
    x = 8,110,735,682.23/104,168.32
  6. Step 6: Final answer
    x = 77,861.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.